| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a week | 591 |
20.4%
|
| 2 | At least once a month | 428 |
14.8%
|
| 3 | Several times | 526 |
18.2%
|
| 4 | Once or twice | 329 |
11.4%
|
| 5 | Never | 1022 |
35.3%
|
| Sysmiss | 11 |